Absence of type specific M antigen from group A streptococci grown in a chemically defined medium.
D000941:Antigens; D001426:Bacterial Proteins / Q000096:biosynthesis; D003470:Culture Media; D010455:Peptides / Q000494:pharmacology*; D011135:Polysaccharides, Bacterial / Q000096:biosynthesis; D013297:Streptococcus pyogenes / Q000302:isolation & purification*; D013301:Streptolysins / Q000096:biosynthesis
D000941:Antigens; D001426:Bacterial Proteins; D003470:Culture Media; D010455:Peptides; D011135:Polysaccharides, Bacterial; D013301:Streptolysins